GB/T 42961-2023 English PDFUS$269.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 42961-2023: Assessment method for climate change impact on vegetation ecological quality Status: Valid
Basic dataStandard ID: GB/T 42961-2023 (GB/T42961-2023)Description (Translated English): Assessment method for climate change impact on vegetation ecological quality Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B18 Classification of International Standard: 07.060 Word Count Estimation: 14,117 Date of Issue: 2023-08-06 Date of Implementation: 2023-12-01 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 42961-2023: Assessment method for climate change impact on vegetation ecological quality---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.ICS 07.060 CCSB18 National Standards of People's Republic of China Climate change impact assessment method for vegetation ecological quality Published on 2023-08-06 Implemented on 2023-12-01 State Administration for Market Regulation Released by the National Standardization Administration Committee Table of contentsPrefaceⅠ 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 4 Evaluation indicators 2 5 Rating 4 Appendix A (normative) Calculation method of actual vegetation net primary productivity and coverage 5 Appendix B (normative) Calculation method for actual vegetation net primary productivity and coverage determined by climate change 7 Reference 10ForewordThis document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by the China Meteorological Administration. This document is under the jurisdiction of the National Agricultural Meteorology Standardization Technical Committee (SAC/TC539). This document was drafted by. Chinese Academy of Meteorological Sciences, China Agricultural University, Nanjing University of Information Science and Technology. The main drafters of this document. Zhou Guangsheng, Zhou Li, Zhou Huailin, Ji Yuhe, He Qijin, Lu Xiaomin, Zhou Mengzi, Song Yanling, Geng Jinjian, Wu Yixuan. Climate change impact assessment method for vegetation ecological quality1 ScopeThis document stipulates the evaluation indicators and evaluation levels of the impact of climate change on vegetation ecological quality, and describes the vegetation ecological quality and its changes. Calculation method of climate change contribution rate. This document is applicable to the monitoring, evaluation and application of the impact of climate change on the ecological quality of natural vegetation, and the impact of climate change on the ecological quality of unnatural vegetation. Impact monitoring, evaluation and application refer to this document. This document does not apply to the monitoring, evaluation and contribution rate of vegetation ecological quality to climate change when earthquakes, fires and other major natural disasters occur. application.2 Normative reference documentsThis document has no normative references.3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 vegetationvegetation The general term for the plant communities covering the earth's surface. 3.2 Vegetation growth determined by vegetation net primary productivity (3.4), vegetation coverage (3.7) and vegetation geographical distribution area (3.10) state. 3.3 The actual vegetation net primary productivity (3.6), actual vegetation coverage (3.9) and vegetation geographical distribution area (3.10) are jointly determined Vegetation growth status. 3.4 The total amount of organic matter produced by photosynthesis accumulated by green vegetation in unit area and unit time after deducting autotrophic respiration. The remaining part. [Source. GB/T 34815-2017, 3.4, with modifications] 3.5 Vegetation net primary productivity determined by climatic conditions (3.4). 3.6 Vegetation net primary productivity (3.4) determined by climatic conditions, human activities, natural disasters, etc. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 42961-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 42961-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 42961-2023_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 42961-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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